Home / 1,601.99-2,210.90-972.37

Finding the Fourth Proportional to 1,601.99, 2,210.90 and 972.37

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Solution

The fourth proportional to 1,601.99, 2,210.90 and 972.37 is: 1,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.99 : 2,210.90 = 972.37 : x
  2. Step 2: Convert to fraction form
    1,601.99/2,210.90 = 972.37/x
  3. Step 3: Cross multiply
    1,601.99x = 2,210.90 × 972.37
  4. Step 4: Simplify right side
    1,601.99x = 2,149,823.55
  5. Step 5: Solve for x
    x = 2,149,823.55/1,601.99
  6. Step 6: Final answer
    x = 1,341.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.